Antislipping attachment for footwear.



J. M. ALEXANDER. ANTISLIPPING ATTACHMENT FOR FOOTWEAR.

APPLICATION FILED NOV. 9, 1911.

1,023,350. Patent ed Apr. 16, 1912.

VVHHEEEES Invehlul" unrrnn snares PATENT oFnicE.

JULIUS 1V[. ALEXANDER, OF HEALDSBUBG, CALIFORNIA, ASSIGNOR OF ONE-THIRDT0 CHARLES W. WEAVER, 0F HEALDSBURG, CALIFORNIA.

ANTISLIPPINC-r ATTACHMENT FOR FOOTWEAR.

Specification of Letters Patent.

Patented Apr. 16, 1912.

To all whom it may concern Be it known that I, JULIUS M. ALEXAN- DER, acitizen of the United States, residing at Healdsburg, in the county ofSonoma and State of California, have invented certain new and usefulImprovements in Antislipping Attachments for Footwear, of which thefollowing is a specification.

The hereinafter described invention relates to an improved adjustableand collapsible attachment, adapted to be applied to and removed fromthe sole of a boot or shoe and provided with projections affordingbetter traction to assist the wearer thereof in walking on ice, icecovered or slippery pavements, and in climbing roofs, or other steepinclines, and the same comprises an adjustable frame formed of strips ofmaterial arranged in angular spaced cross relation to each other,pivoted at their crossing points, the pivots carrying lugs orprojections, and providing a means for precluding the shoe fromslipping, shoe sole engaging means carried by the ends of certain of thestrips, and flexible connections engaging certain strips of the frameand extending around the rear of the shoe, for forcing the sole engagingmembers against the sole of the shoe.

The object of the invention is to provide a device of the abovecharacter, adapted to be adjusted to fit boots of any size, one that maybe quickly applied to or removed from the boot and that is provided withprojections such as steel or rubber so that the device may be adaptedfor use in walking on surfaces of different kinds.

A further object is to provide a device so constructed that when removedfrom the sole of a boot or shoe, it may be collapsed into a smallcompass and readily carried by the user.

With these and other objects in View, the invention consists in thenovel combination of parts hereinafter fully described, illustrated inthe accompanying drawings, and pointed out in the claims heretoappended; it being understood that various changes in the form,proportion, size and minor details of construction may be resorted towithout departing from the spirit or sacrificing any of the advantagesof the invention.

To comprehend the invention reference should be had to the accompanyingsheet of drawings illustrating a completely constructed device forcarrying out the invention, wherein- Figure 1 is a plan view of the soleof a shoe, with the invention applied thereto. Fig. 2 is a sideelevation of a shoe with the device applied thereto. Fig. 3 is anenlarged plan view of one of the crossing points of the lattice, showingthe projecting point. Fig. 4 is an enlarged sectional view of a crossingpoint of the lattice.

In the drawings the numeral 5 designates parallel spaced bars or stripsintersected by and pivotally mounted, as at 6, to other parallel spacedbars or strips 5, the bars or strips 5 and 5 extending in angularrelation to each other, forming a substantially diamond-shapedcollapsible frame within which are substantially diamond shapedopenings. The pivots 6extend through suitable openings in the bars 5 and5 uniting the same, and are provided at their upper ends, or the. partadapted to rest next to the sole of the shoe, with flat heads orsurfaces 6 and at their opposite ends with pointed projections 6 which,when the frame is applied to the shoe in a hereinafter described manner,provide a traction surface for the foot of the wearer, as shown in Figs.2 and 4 of the drawings. The ends of the bars 5 and 5 forming the outeredges of the frame are bent upwardly as at 5 'and 5 and inwardly as at 5and 5 as in Fig. 2 of the drawings, providing hooked portions forengaging over the top edges of the sole and for clamping against thesame in a hereinafter described manner.

Pivotally mounted in the bars forming the rear, or that portion of thediamond shaped frame adapted to extend under the instep of the shoe, isa ring 7, having a portion 7 of its edge straight along which straightportion the bars are adapted to slide, and in rear of the straight edgeportion it carries a strap or other flexible connection 8 adapted toextend upwardly from each side of the instep and be buckled around theshoe above the heel, as in Fig. 2 of the drawings. The strap 8 is inturn supported on the shoe by another strap 9 slidably mounted thereonand adapted to extend therefrom and buckle around the ankle of thewearer, as shown in Fig. 2 of the drawings.

From the above construct-ion it will be apparent that the frame, whenpositioned as in Fig. l of the drawings, on the sole of a shoe, with thesole engaging portions and 5 engaging the top of the sole, and the strap8 extended around the rear of the shoe above the heel, as in Fig. 2 ofthe drawings, and pulled tightly, the frame Will be partly collapsed,and the sole engaging portions 5 and 5 Will be drawn inwardly and Willbe tightly clamped to the edge of the sole thereby securely mounting theframe on the sole of the shoe.

Having thus fully described my invention What I claim as new and desireto secure by Letters Patent is 1. In a device of the class described,the combination with a collapsible frame, comprising parallel spacedbars intersected by and pivotally mounted to other parallel spaced bars,sole engaging portions projecting from the frame and adapted to engagethe sole of a shoe, studs projecting from the frame in an oppositedirection from the sole engaging portions, and a flexible connectionadapted to extend from the rear of the frame and around the rear of theshoe for collapsing the frame and'forcing the sole engaging portionsagainst the sole of a shoe.

2. In a device of the class described, the combination of a framecomprising parallel spaced bars intersected by and pivoted to otherparallel spaced bars, sole engaging portions formed by the ends ofcertain of the bars, studs projecting from the pivotal points of thebars, and a flexible connection secured to the rear of the frame andadapted to extend around the rear of the shoe for collapsing the frameand forcing the sole engaging portions against the sole of a shoe.

3. In a device of the class described, the combination of a framecomprising parallel spaced bars intersected by and pivoted to otherparallel spaced bars, the bars being arranged in angular relation toeach other, sole engaging portions formed by the ends of certain of thebars, studs projecting from and their upper ends forming the pivots forthe bars, a flexible connection secured to the rear of the frame andadapted to extend around the rear of the shoe for collapsing the frameand forcing the sole engaging portions against the shoe, and anotherflexible connection secured to the first mentioned flexible connectionand adapted to extend around the upper front portion of the shoe forsupporting the said flexible connection. In testimony whereof I havesigned my name to this specification in the presence of two subscribingWitnesses.

JULIUS M. ALEXANDER.

Witnesses:

LIEUALLEN J. HALL, Jr., J OSEPH H. MILLER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. C.

